Wow
From your detailed article, it is crystal clear that closed loop is better than open loop control system
I studied a course called control system in the university and I must say it is very essential for now and the future to come
This control system has some lengthy and quiet confusing calculations most students hate
Just like converting transfer function to state space and vice versa, also cannonical forms, converting a mechanical system to state space which requires an indepth knowledge in laplace transforms
Thanks for sharing, big thumb up.
How eould I join that technology and electrical community.